/* Buxin Academy — Responsive */

@media (min-width: 768px) {
  .nav-links { display: flex; }
  #menu-toggle { display: none; }
  #mobile-nav { display: none !important; }
}

@media (max-width: 767px) {
  .hero { padding: 2rem 0 3rem; }
  .pricing-card { padding: 1.5rem; }
  .dashboard-layout { grid-template-columns: 1fr; }
  .sidebar {
    position: static;
    display: flex;
    overflow-x: auto;
    padding: 1rem;
  }
  .sidebar-nav { display: flex; gap: 0.5rem; }
  .sidebar-nav li { margin: 0; white-space: nowrap; }

  /* Responsive tables */
  table thead { display: none; }
  table tr {
    display: block;
    margin-bottom: 1rem;
    padding: 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
  }
  table td {
    display: flex;
    justify-content: space-between;
    padding: 0.4rem 0;
    border: none;
  }
  table td::before {
    content: attr(data-label);
    font-weight: 600;
    color: var(--text-muted);
    margin-right: 1rem;
  }

  .admin-tabs { overflow-x: auto; flex-wrap: nowrap; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .payment-methods { grid-template-columns: 1fr 1fr; }
  .hero-cta .btn { width: 100%; }
}

@media (max-width: 380px) {
  .logo { font-size: 1rem; }
  .btn { padding: 0.65rem 1rem; font-size: 0.9rem; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* Low bandwidth: lazy load hint */
img[loading="lazy"] { content-visibility: auto; }